Keita Hirai

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Saitama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cutting tool of a titanium alloy complex
- Patent number 5,864,955
- Issue date Feb 2, 1999
- Keita Hirai
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Powder-sintered multi-layer tool part and manufacturing method thereof
- Publication number 20050089710
- Publication date Apr 28, 2005
- Akira, HIRAI
- Keita Hirai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...